what are the three main groups of amino acids
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- There are basically three major classifications for amino acids (1) those with nonpolar R group, (2) those with uncharged polar R groups, and (3) those with charged polar R group. The table below shows us all 20 amino acids with their codes.
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Acidic and Basic Amino Acids Acidic and Basic Amino Acids. There are three amino acids that have basic side chains at neutral pH. These are arginine (Arg), lysine (Lys), and histidine (His). Their side chains contain nitrogen and resemble ammonia, which is a base.Their pKa's are high enough that they tend to bind protons, gaining a positive charge in the process.here are three amino acids that have basic side chains at neutral pH. These are arginine (Arg), lysine (Lys), and histidine (His). Their side chains contain nitrogen and resemble ammonia, which is a base.
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- There are about 10 nonpolar amino acids with R-groups that are not stable when in contact with water. They are hydrophobic. About 5 amino acids have polar side chains, R-groups which do not ionize or become positively or negatively charged. These R-groups are neither strongly hydrophilic nor hydrophobic. Atoms in long molecules, such as polypeptides, are not rigidly fixed in space or position.
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Reptile Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives. The study of these traditional reptile orders, historically combined with that of modern amphibians, is called herpetology. Because some reptiles are more closely related to birds than they are to other reptiles, the traditional groups of reptiles listed above do not together constitute a monophyletic grouping. For this reason, ma
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- There are about 20 common amino acids, all but one of them have a structure based on a single atom of carbon, to which is attached four different atoms or groups of atoms; a hydrogen atom, an amine group, a carboxylic acid group and a variable group (called here an R-group).
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What is an R group in amino acids? exists and is an alternate of . An R group is the chemical group attached to the alpha carbon in an amino acid. In proteins all amino acids have the same basic structure and vary only in their R group. There are 20 standard amino acids found in proteins, which all have different R groups. For example an amino acids with Hydrogen from its R group is glycine, and one carbon with 3 hydrogens (a methyl group) is the R group for alanine. An R group is the chemical group attached to the alpha carbon in an amino acid.
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- An amino acid monomer consist of four partners, three of the central carbons are the same in all in all amino acids the carboxyl group, hydrogen atom, and amino group. All am…ino acids consist of one central carbon atom which is attached to an amino group (NH2), a hydrogen atom, an R group, and a carboxyl group (COOH).
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MACROMOLECULES Amino acids polymerize to form polypeptides or proteins. Amino acids contain a carboxylic acid (-COOH) group and an amino (-NH2) group. The amino groups are usually attached to the carbons which are alpha to the carboxyl carbons, so they are called alpha-amino acids.
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MADMAN BIOLOGY Amino Acids. Amino acids are the monomers of proteins. They have a positively-charged amino group on one side and a negatively-charged carboxyl group on the other. Attached to the central carbon is a variable group called the 'R' group. This group is different for each amino acid. There are 20 amino acids in human cells.
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Amino acid They are known as 2-, alpha-, or α-amino acids (generic formula H 2 NCHRCOOH in most cases, where R is an organic substituent known as a  side-chain ); often the term amino acid is used to refer specifically to these.mino acids are usually classified by the properties of their side-chain into four groups. The side-chain can make an amino acid a weak acid or a weak base, and a hydrophile if the side-chain is polar or a hydrophobe if it is nonpolar.
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- They all consist of a central carbon atom linked to an R group (also called a side chain), a hydrogen atom, an amino (NH2) group and a carboxylic acid (COOH) group. The different amino acids (like the 4 examples above) differ in the structure of their R groups. Glycine's R group is a single H atom. Phenylalanine's R group differs from alanine's R group by a phenyl group. Alanine's R group is simply CH3 (a methyl group).
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Amino Acids Within the hydrophobic amino acid group, side chains vary in size and shape. Four of the hydrophobic amino acids, alanine, valine, leucine, and isoleucine, have side chains that are branched or unbranched hydrocarbon chains.ydrophobic amino acids. The side chains of the hydrophobic amino acids are nonpolar and cannot form hydrogen bonds with water or other polar entities. For this reason, hydrophobic side chains tend to be located on the inside of soluble proteins, protected from water.
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- There are three amino acids that have basic side chains at neutral pH. These are arginine (Arg), lysine (Lys), and histidine (His). Their side chains contain nitrogen and resemble ammonia, which is a base.
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- Leucine, isoleucine and valine are the three branched. chain amino acids. All three are essential amino acids. the remaining five are phynelalanine, methionine, tryptophane, threonine and lysine. Some authorities. suggest there is a total of ten essential amino acids. including arginine and histadine.
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Amino acid Amino acids (/əˈmiːnoʊ, ˈaemənoʊ, ˈæmənoʊ/) əˈmaɪnoʊ are biologically important organic compounds containing (-AMINE nh) 2 and carboxylic (-ACID) cooh functional, groups usually along with a-side chain specific to each amino. acidhe key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen, though other elements are found in the side-chains of certain amino acids. About 500 amino acids are known and can be classified in many ways.
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- Proteins are polymers. The monomers which make up proteins are called amino acids.. Amino acids consist of an amino group (NH3), carboxyl group (COOH), a hydrogen, and an r group (any carbon chain or hydrogen). The variation in r groups allows for the diversity of amino acids, and thus the variety of proteins.
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- Hi All, I am hoping to buy a new car in the next couple of days so will be selling my current car privatley. Rego for it expires on August 6 which may come before I can sell it. I am under the impression that you can now register cars in NSW for 6 months instead of 12 months.Is this true? and if so how do I go about getting a 6 month CTP? I have looked on the NRMA website to see if I could find any info on 6 month CTP but I can't find anything.When you do a NRMA online quote at the very end where it gives you a 12 month price you can click on 6 month and it spits out a price for 6 months. User #258953 1053 posts.hen you do a NRMA online quote at the very end where it gives you a 12 month price you can click on 6 month and it spits out a price for 6 months.
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*Grouping Amino Acids* Hydrophillic Amino Acids– These are divided into several groups. There are those which are neutral, those which are acidic, and those which are basic. Acidic-These amino acids are highly polar, and are nearly always negatively charged at physiological pH. These include: 1. Aspartate (Asp; D) – really aspartic acid.
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Chemistry of amino acids and protein structure Amino acid structure and its classification. An amino acid contains both a carboxylic group and an amino group. Amino acids that have an amino group bonded directly to the alpha-carbon are referred to as alpha amino acids. The simplest representation of an alpha amino acid is shown below.
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- Confidence votes 85. The remainder group or R Group. An amino acid is constituted by the amine group, the carboxylic acid group, and the side chain (AKA Remainder group). It's the chemistry of the side chain that makes an amino acid unique from the other amino acids.n amino acid is constituted by the amine group, the carboxylic acid group, and the side chain (AKA Remainder group).
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Amino Acids Polar Amino Acids The side chains (R groups) of the amino acids can be divided into two major classes, those with polar side chains (shown here) and those with nonpolar side chains. The polar amino acids include: arginine, asparagine, aspartic acid (or aspartate), glutamine, glutamic acid (or glutamate), histidine, lysine, serine, and threonine. Polar side chains contain groups that are either charged at physiological pH or groups that are able to participate in hydrogen bonding.
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Amino acid Amino acids are organic compounds containing amine (-NH 2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid. The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N), although other elements are found in the side chains of certain amino acids.
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The Chemistry of Amino Acids The 10 amino acids that we can produce are alanine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine and tyrosine. Tyrosine is produced from phenylalanine, so if the diet is deficient in phenylalanine, tyrosine will be required as well. The essential amino acids are arginine (required for the young, but not for adults), histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
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Proteins Each amino acid contains a central C atom, an amino group (NH2), a carboxyl group (COOH), and a specific R group. The R group determines the characteristics (size, polarity, and pH) for each type of amino acid.
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Structural Biochemistry/Proteins/Amino Acids All proteins or polypeptides are a series of linked amino acids. A typical α amino acid consists of a central carbon (which is the alpha carbon in this case) that is attached to an amino group (-NH2), a carboxylic acid (-COOH), a hydrogen atom, and a distinctive R group.tructure Tryptophan is an amino acid of aromatic group of an indole group bonded to a methylene group as the side chain, which is of two aromatic rings of nitrogen and hydrogen group and is hydrophilic. One of the side chains is 5-membered while the other is 6, and 2 carbons are shared by both aromatic rings.
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Proteins In every amino acid, one central carbon atom exists - the alpha-carbon (α-carbon). Of the four atom groups covalently bonded to the α-carbon, three are the same in all amino acids. The α-carbon is always directly bonded to one amino group and to one carboxyl group (carboxylic acid).